class_docstr: A module setting which holds a single string value
  
      
code: def __eq__(self, x):
      # we test explicitly for other Settings to prevent matching if
      # their .values are the same.
      if isinstance(x, Setting):
          return self.__key == x.__key
      return self.eq(x)
  
imports: import abc
  import uuid
  from ._validation_error import ValidationError
label_desc: Use image node_id 14 for calling the Setting obj's underlying member method code with example usage: obj.__eq__(x) and returns: self, unknown